Home / 994,273.80-1,491,410.70-917,291.40

Finding the Fourth Proportional to 994,273.80, 1,491,410.70 and 917,291.40

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Solution

The fourth proportional to 994,273.80, 1,491,410.70 and 917,291.40 is: 1,375,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,273.80 : 1,491,410.70 = 917,291.40 : x
  2. Step 2: Convert to fraction form
    994,273.80/1,491,410.70 = 917,291.40/x
  3. Step 3: Cross multiply
    994,273.80x = 1,491,410.70 × 917,291.40
  4. Step 4: Simplify right side
    994,273.80x = 1,368,058,208,977.98
  5. Step 5: Solve for x
    x = 1,368,058,208,977.98/994,273.80
  6. Step 6: Final answer
    x = 1,375,937.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.